CVE-2023-39194 Kernel: xfrm: out-of-bounds read in __xfrm_state_filter_match()

Low 3.2 Published Updated

A local privileged attacker can trigger an out-of-bounds read in the Linux kernel XFRM subsystem, potentially leading to information disclosure.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2023-39194?

CVE-2023-39194 is a low-severity vulnerability in Fedoraproject Fedora, published on 9 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in the XFRM subsystem in the Linux kernel. The specific flaw exists within the processing of state filters, which can result in a read past the end of an allocated buffer. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, potentially leading to an information disclosure.

Weakness: CWE-125

Which versions are affected by CVE-2023-39194?

It affects 3 products.

Products include Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2023-39194?

Apply the vendor's patch.

Is CVE-2023-39194 being exploited?

There is no known exploitation of CVE-2023-39194 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as AZL-31268, DEBIAN-CVE-2023-39194, GHSA-3qhf-qr39-9c9w, UBUNTU-CVE-2023-39194.

Is CVE-2023-39194 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free